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Systems Administrator

Marathon TS

Lanham, MD

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JOB DETAILS
SKILLS
Analysis Skills, Auditory, Cloud Computing, Communication Skills, Customer Support/Service, Distributed Computing, Documentation, English Language, Environmental Monitoring, Establish Priorities, GNU C Compiler, Help Desk, Identify Issues, Incident Response, Information Technology & Information Systems, Maintain Compliance, Management of Information Systems/Technology (MIS), Medical Office, Microsoft Active Directory, Microsoft Exchange Server, Microsoft Product Family, Microsoft SharePoint, Microsoft Windows NT Group Policy, Microsoft Windows Server, Multitasking, Network Operations Center, Operations Processes, Performance Management, Problem Solving Skills, Process Improvement, Systems Administration/Management, Systems Maintenance, Team Player, Technical Leadership, Technical Support, U.S. National Institute of Standards and Technology (NIST), VMWare ESX/ESXi, Virtual Machine (VM), Willing to Travel, Workstation Hardware
LOCATION
Lanham, MD
POSTED
30+ days ago
Systems Administrator
Lanham, MD

We are seeking a highly capable Systems Administrator to serve as the primary IT lead for our Lanham, MD office while operating as part of a distributed enterprise IT operations team. This role requires a strong technical foundation across hybrid infrastructure, a high degree of ownership, and the ability to operate independently in a fast-paced, compliance-driven environment.

This role requires a minimum of two days onsite per week, with additional onsite presence as needed to support business operations, projects, or critical incidents.
A day in the life of a Systems Administrator
  • Serve as the primary IT owner for the Lanham office, ensuring reliability, performance, and user support
  • Maintain and support hybrid infrastructure, including VMware ESXi environments, virtual machines, and cloud services
  • Administer and optimize Microsoft 365 GCC High (Entra ID, Exchange Online, SharePoint, Teams)
  • Support and contribute to data center operations, including system health, maintenance, and incident response
  • Act as a key escalation point for complex technical issues across the enterprise
  • Partner with a distributed team of system administrators to support enterprise-wide help desk operations
  • Drive improvements in system performance, standardization, and operational efficiency
  • Support implementation and enforcement of security and compliance controls (CMMC, NIST 800-171, etc.)
  • Respond to and lead troubleshooting during outages or critical incidents
Key Responsibilities:
  • Provide hands-on support for onsite needs including workstation deployment, hardware replacement, and troubleshooting
  • Manage and monitor virtual environments across on-prem and cloud platforms
  • Participate in ticket triage, escalation, and resolution across a multi-site environment
  • Maintain system documentation, procedures, and operational runbooks
  • Collaborate with vendors and managed service providers when required
  • Support infrastructure-related projects and site-specific initiatives
This role is for you if you:
  • A self-starter who takes ownership and follows through without constant direction
  • Comfortable being the go-to IT presence in an office environment
  • Able to balance hands-on support with infrastructure-level responsibilities
  • Calm under pressure and capable of navigating high-impact incidents
  • Collaborative, but equally effective working independently
What we are expecting from you (i.e. the qualifications you must have):
  • 8+ years of experience in systems administration, infrastructure support, or a similar role
  • Proven experience managing hybrid IT environments (on-premises and cloud)
  • Strong hands-on experience with Microsoft 365, preferably within GCC High or other regulated environments
  • Deep experience with VMware ESXi and virtual infrastructure management
  • Strong knowledge of Windows Server, Active Directory, Group Policy, and endpoint management
  • Experience supporting data center infrastructure and operations
  • Demonstrated ability to troubleshoot and resolve complex, cross-domain technical issues
  • Strong communication and customer service skills, with the ability to support both technical and non-technical users
  • Ability to work independently, prioritize effectively, and take ownership of systems and issues
Required Level of Security Clearance:
None
Expected Travel:
5-10%
Work Environment:
  • Hybrid role based in Lanham, MD (minimum two days onsite per week)
  • Occasional travel to Chantilly, VA and Huntsville, AL may be required
  • Expected to support critical incidents outside of standard business hours when necessary
Physical and Mental Demands:
  • The physical and mental demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform these functions.
  • Ability to remain in a stationary position and operate a computer for extended periods.
  • Occasional ability to move or transport items up to 25 pounds.
  • Communicate effectively in English (verbal, written) and possess visual and auditory acuity for tasks and safety.
  • Manage multiple tasks, prioritize, and maintain focus in dynamic environments.
  • Demonstrate strong problem-solving, critical thinking, and analytical skills.
  • Maintain consistent attendance, punctuality, and high professional standards.


Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status ").

About the Company

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Marathon TS

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